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Professional sport occupied a prominent place in public life in the last century, especially football, which has become the most popular sport in the whole world, for this purpose sports venues (stadiums) has been to build and develop to be a cent er held the sporting events and accommodate the largest number of audience who follow it, and to meet the needs of this growing audience and its requirements (comfort, easy access, protection ......). which form a challenge for designers and structural engineers to design a stadium that meets these requirements constitutes urban monument of aesthetic and constructional and technical. This research deals with football stadiums and its development through history, the basics of its design (the basic principles in the design-the speed of unloading terraced-external factors affecting), the recommendations of FIFA in the field of design and construction of sports stadiums (matters to be considered during the design process-location of the stadium) , the most important methods of construction used in covering sports stadiums (Post and beam-goal post structure-cantilever structure - shellfish concrete- compression/tension ring - tension structures - air-supported roofs - space frames –retractable roofs) and the materials used in the coverage, so that it is a simplified manual covers all aspects of design and construction.
Poor productivity of construction workers is one of the causes of cost and time overruns in construction projects. Productivity plays an important role in the construction industry. Productivity is one of the most important issues in both developed and developing countries. This paper reports an investigation of the productivity problems in Syrian construction projects through a structured questionnaire survey. The main objective of this study is to determine and rank the factors that affecting labour productivity. 76 factors were identified through a detailed literature review and interview with projects managers. a questionnaire survey was designed and distributed to staff of various construction companies. The data obtained was analysed using the relative importance index. The results from the analysis revealed ten major factors affecting labour productivity in Syrian construction industry. These factors are: poor salary, material shortage, financial condition of contractor, poor safety instructions, size of workshop, rewards shortage, payment delay, low training, and low incentives.
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